Toyota Highlander Service Manual: Emission control system (2AZ-FE)

Emission control

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Location

SYSTEM DIAGRAM The emission control system is determined by the ECM based on signals from various sensors. ...

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Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency. Removal method Vehicles without a smart key system: turn the engine switch to the “lock” position. Vehicles with a smart key system: turn the engine switch off. Open the glove box. Slide ...